I also got this info from Ron Hole regarding Chameleon (Thanks, Ron!):

>Hello..I ran CU-Seeme using Chameleon 4.5 and WIndows 3.1 on both an >Ethernet connection and 28.8 ppp dialup with no trouble. The only thing >non-standard that I did was to add a line "pppmtu=512" to the TCPIP >section of the win.ini file.>>Not much for answers but atleast you know now that it is supported.>> Ron Hole> HoHum>